list1 = [1, 2, 3, 4, 5]
for i in range(len(list1)):
    print(list1[i],end=' ')
print('------------------------------------')
for i in list1:
    print()
print('------------------------------------')
list1.append(6)
print(list1)

list2 = [8,9]
list1.extend(list2)
print(list1)
print(list2)
list1.insert(2,66)
print(list1)


list1.sort()
list1.reverse()
print(list1)
list1.sort(reverse=True)
print(list1)

list3 = [14,22,3,4,5]
list4 = sorted(list3)
print(list3)
print(list4)


set1 = {1,2,3,4,5}
for i in set1:
    print(i,end=' ')

dict1 = {'name':'zhangsan','age':18}
dict1['sex'] = 'male'
dict1['age'] = 19
for key in dict1:
    print(key,end=' ')
for key,value in dict1.items():
    print(key,value)

